Worth, during the Mexican-American War.1855. Library of Congress. In 1844, President James K. Polk ran on a Democratic platform that supported manifest destiny, the idea that Americans were ...

In the month of May, two key anniversaries that spurred the Civil War into motion occurred between the United States and Mexico over a conflict that centered on Texas. The Mexican-American War ...

Before James Nagle was a general in the Civil War, he led a company of Pennsylvania volunteers to Mexico City during the Mexican-American War in 1846-48. There, Nagle befriended a young Mexican boy, ...